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PartsTable / COMPONENT / 2537-DD4-801020
2537-DD4-801020 ✓ Verified by PartsTable
— · BOLT SCREW
WHAT YOU NEED TO KNOW
Grade/class stamped on head determines strength Metric and imperial threads look similar — measure pitch
Verify thread pitch — metric != imperial
PRODUCT OVERVIEW

The BOLT,MACHINE is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, head_style: HEXAGON, grip_length: 3.125 INCHES NOMINAL IN, head_height: 0.348 INCHES MINIMUM AND 0.371 INCHES MAXIMUM IN, grip_diameter: 0.555 INCHES MINIMUM AND 0.563 INCHES MAXIMUM IN, thread_length: 4.500 INCHES NOMINAL IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5306-01-553-1327, indicating validated use in U.S. government and defense logistics supply chains. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels.

Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS
2537-DD4-801020
NSN: 5306-01-553-1327
FSC: 5306
CAGE: 36MV0 — THE SHYFT GROUP USA, INC DBA THE SHYFT GROUP USA, INC (USA)
SPECIFICATIONS
materialSTEEL OVERALL
head_styleHEXAGON
grip_length3.125 INCHES NOMINAL IN
head_height0.348 INCHES MINIMUM AND 0.371 INCHES MAXIMUM IN
grip_diameter0.555 INCHES MINIMUM AND 0.563 INCHES MAXIMUM IN
thread_length4.500 INCHES NOMINAL IN
fastener_length4.400 INCHES MINIMUM AND 4.500 INCHES MAXIMUM IN
special_featuresGRADE 8 PLAIN FINISH HEX CAP SCREW
thread_directionRIGHT-HAND
width_between_flats0.798 INCHES MINIMUM AND 0.812 INCHES MAXIMUM IN
end_item_identificationJERRV 4X4 EOD, 2355-01-532-2174
thread_quantity_per_inch18
NSN5306-01-553-1327
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 2537-DD4-801020 · OEM ⚠ VERIFY BEFORE ORDERING Verify thread pitch before ordering — metric (M8×1.25) ≠ imperial (5/16-18). Wrong thread = wrong part. Grade/class stamped on bolt head determines tensile strength ✓ BROKER TIP Grade/class stamped on head determines tensile strength. Grade 8 > Grade 5 > Grade 2. Always confirm head marking matches specification requirement PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
MATERIAL: STEEL OVERALL
•
THREAD DIRECTION: RIGHT-HAND
•
FASTENER LENGTH: 4.400 INCHES MINIMUM AND 4.500 INCHES MAXIMUM IN
•
HEAD STYLE: HEXAGON
•
GRIP DIAMETER: 0.555 INCHES MINIMUM AND 0.563 INCHES MAXIMUM IN
•
HEAD HEIGHT: 0.348 INCHES MINIMUM AND 0.371 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALSTEEL OVERALL
THREAD DIRECTIONRIGHT-HAND
FASTENER LENGTH4.400 INCHES MINIMUM AND 4.500 INCHES MAXIMUM IN
SPECIAL FEATURESGRADE 8 PLAIN FINISH HEX CAP SCREW
PART NAME ASSIGNED BY CONTROLLING AGENCYBOLT
HEAD STYLEHEXAGON
GRIP DIAMETER0.555 INCHES MINIMUM AND 0.563 INCHES MAXIMUM IN
HEAD HEIGHT0.348 INCHES MINIMUM AND 0.371 INCHES MAXIMUM IN
GRIP LENGTH3.125 INCHES NOMINAL IN
END ITEM IDENTIFICATIONJERRV 4X4 EOD, 2355-01-532-2174
VERIFIED SUBSTITUTES & CROSS-REFERENCES 14
1001766Upgraded Successor
successor cross-reference
successor
2001232 REV T ITEM 62Upgraded Successor
successor cross-reference
successor
18271Interchangeable
interchangeable cross-reference
interchangeable
295Interchangeable
interchangeable cross-reference
interchangeable
MILC52404Interchangeable
interchangeable cross-reference
interchangeable
851-C12Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 2537-DD4-801020?
2537-DD4-801020 is a BOLT,MACHINE.
What parts can replace 2537-DD4-801020?
There are 14 known substitutes for 2537-DD4-801020: 1001766, 2001232 REV T ITEM 62, 18271 and 11 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 2537-DD4-801020?
2537-DD4-801020 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5306-01-553-1327. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026